Search a number
-
+
13755970 = 251375597
BaseRepresentation
bin110100011110…
…011001000010
3221212212122101
4310132121002
512010142340
61210501014
7224631604
oct64363102
927785571
1013755970
117846078
12473476a
132b08337
141b81174
15131ac9a
hexd1e642

13755970 has 8 divisors (see below), whose sum is σ = 24760764. Its totient is φ = 5502384.

The previous prime is 13755967. The next prime is 13755979. The reversal of 13755970 is 7955731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12809241 + 946729 = 3579^2 + 973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13755979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687789 + ... + 687808.

Almost surely, 213755970 is an apocalyptic number.

13755970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13755970 is a deficient number, since it is larger than the sum of its proper divisors (11004794).

13755970 is a wasteful number, since it uses less digits than its factorization.

13755970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375604.

The product of its (nonzero) digits is 33075, while the sum is 37.

The square root of 13755970 is about 3708.9041508241. The cubic root of 13755970 is about 239.6056602927.

The spelling of 13755970 in words is "thirteen million, seven hundred fifty-five thousand, nine hundred seventy".

Divisors: 1 2 5 10 1375597 2751194 6877985 13755970